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| author | Ian Lance Taylor <ian@gcc.gnu.org> | 1996-10-23 22:01:23 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 1996-10-23 22:01:23 +0000 |
| commit | ff428c90a4e07be5b2d9398a3555a05628a49290 (patch) | |
| tree | 3719bb68e505390f4d90896ae31094e96f0d09df | |
| parent | 1e1eb6c543d54c116cfe44eb1defeb5ea46e5d71 (diff) | |
| download | gcc-ff428c90a4e07be5b2d9398a3555a05628a49290.zip gcc-ff428c90a4e07be5b2d9398a3555a05628a49290.tar.gz gcc-ff428c90a4e07be5b2d9398a3555a05628a49290.tar.bz2 | |
Accept a unary operator in find_reloads
From-SVN: r13016
| -rw-r--r-- | gcc/reload.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/gcc/reload.c b/gcc/reload.c index 5f72b14..049c3a0 100644 --- a/gcc/reload.c +++ b/gcc/reload.c @@ -2533,9 +2533,10 @@ find_reloads (insn, replace, ind_levels, live_known, reload_reg_p) ind_levels, set != 0 && &SET_DEST (set) == recog_operand_loc[i]); - else if (code == PLUS) - /* We can get a PLUS as an "operand" as a result of - register elimination. See eliminate_regs and gen_reload. */ + else if (code == PLUS || GET_RTX_CLASS (code) == '1') + /* We can get a PLUS as an "operand" as a result of register + elimination. See eliminate_regs and gen_reload. We handle + a unary operator by reloading the operand. */ substed_operand[i] = recog_operand[i] = *recog_operand_loc[i] = find_reloads_toplev (recog_operand[i], i, address_type[i], ind_levels, 0); @@ -2674,6 +2675,11 @@ find_reloads (insn, replace, ind_levels, live_known, reload_reg_p) int constmemok = 0; int earlyclobber = 0; + /* If the predicate accepts a unary operator, it means that + we need to reload the operand. */ + if (GET_RTX_CLASS (GET_CODE (operand)) == '1') + operand = XEXP (operand, 0); + /* If the operand is a SUBREG, extract the REG or MEM (or maybe even a constant) within. (Constants can occur as a result of reg_equiv_constant.) */ |